stop start MERCEDES-BENZ A-CLASS SALOON 2021 Owner's Guide

T
T
r
ransmission
ansmission Displa
Displa
y messag
y messag es P
es Possible causes/conseq
ossible causes/conseq uences and
uences andM
MSolutions
Solutions
Only select Park (P) when
vehicle is stationary *I
t is possible toselect the park position jonly if theve hicle is stationar y. #
Depress the brake pedal tostop. #
ShiT the transmission topark position jwhen theve hicle is stationar y.
Apply brake to deselect
Park (P) position *Y
ou ha veattem pted toshiT the transmission out of park position jand into ano ther transmission position. #
Depress the brake pedal. #
Select transmission position h,kor neutral i.
To shift out of P or N,
depress brake and start
engine *Y
ou ha veattem pted toshiT the transmission out of park position jor neutral iand into ano ther transmission posi-
tion. #
Depress the brake pedal. #
Start theve hicle. #
Change the transmission position.
Apply brake to select D or R *You ha veattem pted toselect transmission position hork. #
Depress the brake pedal. #
Select transmission position hork.
Apply brake to select R *You ha veattem pted toselect transmission position k. #
Depress the brake pedal. 430 430
Display messages and
warning/indicator lamps

Displa
Displa
y messag
y messag es P
es Possible causes/conseq
ossible causes/consequences and uences andM
MSolutions
Solutions #
Select park position j, transmission position kor neutral i.
Risk of vehicle rolling away
Apply parking brake See
Owner's Manual *T
he transmission position cann otbe reliably identi/ed. #
Use the electric parking brake tosecure theve hicle against rollingaway.
Teaching in transmission
complete *T
he transmission's teach-in process is comple te. All transmission positions can be selected again.
Transmission Malfunction
Visit workshop *T
he transmission is malfunctioning.
Consult a quali/ed specialist workshop.
Depress clutch fully to
start engine *Y
ou ha veattem pted tostart theve hicle without depressing the clutch pedal. #
Depress the clutch pedal and then start theve hicle.
*T hevehicle has stalled while theve hicle was pulling away,e.g. because the clutch pedal wasre leased tooqu ickl y. #
Depress the clutch pedal again.
The vehicle will start automaticall y. #
Slowly re leasethe clutch pedal topull away.
Clutch overheated Avoid
pulling away until the warn-
ing goes out *T
he clut chis under considerable load and is overheating.
Av oid frequent pulling away and driving at walking pace over longer distances. #
Stop theve hicle, paying attention toroad and tra1c conditions and lea vetheve hicle running.
The clutch will cool more quickly when theve hicle is running. Display messa
ges and warning/indicator lamps
433 433

Displa
Displa
y messag
y messag es P
es Possible causes/conseq
ossible causes/consequences and uences andM
MSolutions
Solutions
ç
Off *A
ctive Dis tance Assist DISTRONIC was deacti vated. If a warning tone also sounds, Active Distance Assist DISTRONIC
has deactivated automatically (/ page 228).
Active Distance Assist cur-
rently unavailable See Own-
er's Manual *A
ctive Dis tance Assist DISTRONIC is temp orarily una vailable.
The ambient conditions are outside the system limits (/ page 226).
As soon as the ambient conditions are within the system limits, the system will become available again. #
Drive on
or #
Ifth e display message does not disappear, stop theve hicle in accordance with the tra1c conditions and restart
th eve hicle.
Active Distance Assist inop-
erative *A
ctive Dis tance Assist DISTRONIC is malfunctioning.
Other driving systems and driving sa fety systems may also be malfunctioning. #
Drive on
or #
Stop theve hicle in accordance with the tra1c conditions and restart theve hicle. #
Ifth e display message does not disappear: consult a quali/ed specialist workshop. 442 442
Displ
aymessages and warning/indicator lamps

Displa
Displa
y messag
y messag es P
es Possible causes/conseq
ossible causes/consequences and uences andM
MSolutions
Solutions
Active Distance Assist
available again *A
ctive Dis tance Assist DISTRONIC is ope rational again. #
Switch on Active Distance Assist DISTRONIC (/ page 228).
Speed Limit Assist cur-
rently unavailable See Own-
er's Manual *S
peed Limit Assist is temp orarily una vailable. #
Drive on
Once the cause of the problem is no longer present, the system will be available again.
Speed Limit Assist inopera-
tive *S
peed Limit Assist is malfunctioning. #
Drive on
or #
Stop theve hicle in accordance with the tra1c conditions and restart theve hicle. #
Ifth e display message does not disappear: consult a quali/ed specialist workshop.
ð Maximum speed exceeded *Y
ou ha veexceeded the maximum permissible speed (for cer tain countries only). #
Drive more slo wly.
Speed limit (winter tyres)
XXX km/h *Y
ou ha vereached the maximum permissible stored speed for winter tyres. It is not possible toexceed this speed. Display message
s andwarning/indicator lamps
443
443

Displa
Displa
y messag
y messag es P
es Possible causes/conseq
ossible causes/consequences and uences andM
MSolutions
Solutions
Active Steering Assist cur-
rently unavailable See Own-
er's Manual *A
ctive Steering Assist is temp orarily una vailable.
The ambient conditions are outside the system limits (/ page 232).
As soon as the ambient conditions are within the system limits, the system will become available again. #
Drive on #
Check the tyre pressure if necessar y.
Active Steering Assist inop-
erative *A
ctive Steering Assist is malfunctioning. Active Distance Assist DISTRONIC remains available. #
Drive on
or #
Stop theve hicle in accordance with the tra1c conditions and restart theve hicle. #
Ifth e display message does not disappear: consult a quali/ed specialist workshop.
Active Steering Assist cur-
rently unavailable due to
multiple emergency stops *A
ctive Steering Assist is temp orarily una vailable due tomultiple emer gency stops. #
Take ove rth e steering and stop in accordance with the tra1c conditions. #
Switch theve hicle o. and switch it back on
Ac tive Steering Assist is available once more.
Beginning emergency stop *Your hands are not on the steering wheel. An emer gency stop is being initia ted (/ page 234). #
Put your hands back on the steering wheel.
Yo u can cancel the deceleration at any time byper form ing one of thefo llowing actions:
R Steering 444 444
Display messages and
warning/indicator lamps

Displa
Displa
y messag
y messag es P
es Possible causes/conseq
ossible causes/consequences and uences andM
MSolutions
Solutions
R Braking or accelerating
R Deactivating Active Distance Assist DISTRONIC
Ø *A
ctive Steering Assist has reached the system limits (/ page 232).
Yo u ha venot steered independently for a considerable period of time. #
Take ove rth e steering and drive on in accordance with the tra1c conditions.
Traffic Sign Assist currently
unavailable See Owner's
Manual *
Tra1c Sign Assist is temp orarily una vailable.
Once the cause of the problem is no longer present, the system will be available again. #
Drive on
Traffic Sign Assist inopera-
tive *
Tra1c Sign Assist is malfunctioning. #
Drive on
or #
Stop theve hicle in accordance with the tra1c conditions and restart theve hicle. #
Ifth e display message does not disappear: consult a quali/ed specialist workshop.
Blind Spot Assist currently
unavailable See Owner's
Manual *B
lind Spot Assist is temp orarily una vailable.
The system limits ha vebeen reached (/ page 243).
Once the cause of the problem is no longer present, the system will be available again. #
Drive on
or Displ
aymessages and warning/indicator lamps
445 445

Displa
Displa
y messag
y messag es P
es Possible causes/conseq
ossible causes/consequences and uences andM
MSolutions
Solutions #
Ifth e display message does not disappear, stop theve hicle in accordance with the tra1c conditions and restart
th eve hicle.
Blind Spot Assist inopera-
tive *B
lind Spot Assist is malfunctioning. #
Drive on
or #
Stop theve hicle in accordance with the tra1c conditions and restart theve hicle. #
Ifth e display message does not disappear: consult a quali/ed specialist workshop.
Blind Spot Assist not availa-
ble when towing a trailer
See Owner's Manual *W
hen you establish the electrical connection tothe trailer, Blind Spot Assist will be una vailable. #
Press the leT-hand Touch Control and ackno wledge the display message.
Active Blind Spot Assist
currently unavailable See
Owner's Manual *A
ctive Blind Spot Assist is temp orarily una vailable.
The system limits ha vebeen reached (/ page 243).
Once the cause of the problem is no longer present, the system will be available again. #
Drive on
or #
Ifth e display message does not disappear, stop theve hicle in accordance with the tra1c conditions and restart
th eve hicle.
Active Blind Spot Assist
inoperative *A
ctive Blind Spot Assist is malfunctioning. 446 446
Display messages and
warning/indicator lamps

Displa
Displa
y messag
y messag es P
es Possible causes/conseq
ossible causes/consequences and uences andM
MSolutions
Solutions #
Drive on
or #
Stop theve hicle in accordance with the tra1c conditions and restart theve hicle. #
Ifth e display message does not disappear: consult a quali/ed specialist workshop.
Active Blind Spot Assist
not available when towing
a trailer See Owner's Man-
ual *W
hen you establish the electrical connection tothe trailer, Active Blind Spot Assist will be una vailable. #
Press the leT-hand Touch Control and ackno wledge the display message.
Active Lane Keeping Assist
currently unavailable See
Owner's Manual *A
ctive Lane Keeping Assist is temp orarily una vailable.
The ambient conditions are outside the system limits (/ page 246).
As soon as the ambient conditions are within the system limits, the system will become available again. #
Drive on
Active Lane Keeping Assist
inoperative *A
ctive Lane Keeping Assist is malfunctioning. #
Drive on
or #
Stop theve hicle in accordance with the tra1c conditions and restart theve hicle. #
Ifth e display message does not disappear: consult a quali/ed specialist workshop. Displ
aymessages and warning/indicator lamps
447 447

Displa
Displa
y messag
y messag es P
es Possible causes/conseq
ossible causes/consequences and uences andM
MSolutions
Solutions
¸
Ã
ç
Ä
temporarily unavailable
Sensors dirty *F
ront and corner radar sensors (hereaTer "sensors") are malfunctioning. Possible causes:
R The senso rsare dirty
R Heavy rain or snow
R Extended country driving without other tra1c, e.g. in the desert
Driving systems and driving saf ety sy stems ma y be malfunctioning or temp orarily una vailable. The brake system, steer-
ing and drive system will continue tofunction normall y. #
Drive on
Once the causes of the problem are no longer present, the driving systems and driving saf ety sy stems will be available
again and the cor responding symbols will be switched o..
If th e display message does not disappear: #
Stop theve hicle in accordance with the tra1c conditions. #
Clean all sensor co vers from outside (/ page 214). #
Restart theve hicle. 448 448
Displ
aymessages and warning/indicator lamps

Displa
Displa
y messag
y messag es P
es Possible causes/conseq
ossible causes/consequences and uences andM
MSolutions
Solutions
á
Ã
Ä
Ø
Ô
temporarily unavailable
Camera view restricted *T
he view of the multifunction camera is restric ted. Possible causes:
R Dirt on the windscreen in the /eld of vision of the multifunction camera
R Heavy rain, snow or fog
R Mist on the inside of the windscreen: in cer tain we ather conditions, mist can form onthe inside of the windscreen
during cold times of year in particular.
% This mist on the windscreen will be remo ved automatically within a short time with the aid of a heater. The restric-
tion is temp orar y.
Driving systems and driving saf ety sy stems ma y be malfunctioning or temp orarily una vailable. The brake system, steer-
ing and drive system will continue tofunction normall y. #
Drive on
Once the causes of the problem are no longer present, the driving systems and driving saf ety sy stems will be available
again and the cor responding symbols will be switched o..
If th e display message does not disappear: #
Stop theve hicle in accordance with the tra1c conditions. #
Clean the windscreen, especially in the position of the multifunction camera (/ page 214). #
Restart theve hicle. Displ
aymessages and warning/indicator lamps
449 449